/**
 * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package de.hsmannheim.pepa.patientenportal.apanwep.service.persistence;

import com.liferay.portal.kernel.cache.CacheRegistryUtil;
import com.liferay.portal.kernel.dao.orm.EntityCacheUtil;
import com.liferay.portal.kernel.dao.orm.FinderCacheUtil;
import com.liferay.portal.kernel.dao.orm.FinderPath;
import com.liferay.portal.kernel.dao.orm.Query;
import com.liferay.portal.kernel.dao.orm.QueryUtil;
import com.liferay.portal.kernel.dao.orm.Session;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.InstanceFactory;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.PropsKeys;
import com.liferay.portal.kernel.util.PropsUtil;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.UnmodifiableList;
import com.liferay.portal.model.CacheModel;
import com.liferay.portal.model.ModelListener;
import com.liferay.portal.service.persistence.impl.BasePersistenceImpl;

import de.hsmannheim.pepa.patientenportal.apanwep.NoSuchparticipantsException;
import de.hsmannheim.pepa.patientenportal.apanwep.model.impl.participantsImpl;
import de.hsmannheim.pepa.patientenportal.apanwep.model.impl.participantsModelImpl;
import de.hsmannheim.pepa.patientenportal.apanwep.model.participants;

import java.io.Serializable;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * The persistence implementation for the participants service.
 *
 * <p>
 * Caching information and settings can be found in <code>portal.properties</code>
 * </p>
 *
 * @author Cedric Nana
 * @see participantsPersistence
 * @see participantsUtil
 * @generated
 */
public class participantsPersistenceImpl extends BasePersistenceImpl<participants>
	implements participantsPersistence {
	/*
	 * NOTE FOR DEVELOPERS:
	 *
	 * Never modify or reference this class directly. Always use {@link participantsUtil} to access the participants persistence. Modify <code>service.xml</code> and rerun ServiceBuilder to regenerate this class.
	 */
	public static final String FINDER_CLASS_NAME_ENTITY = participantsImpl.class.getName();
	public static final String FINDER_CLASS_NAME_LIST_WITH_PAGINATION = FINDER_CLASS_NAME_ENTITY +
		".List1";
	public static final String FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION = FINDER_CLASS_NAME_ENTITY +
		".List2";
	public static final FinderPath FINDER_PATH_WITH_PAGINATION_FIND_ALL = new FinderPath(participantsModelImpl.ENTITY_CACHE_ENABLED,
			participantsModelImpl.FINDER_CACHE_ENABLED, participantsImpl.class,
			FINDER_CLASS_NAME_LIST_WITH_PAGINATION, "findAll", new String[0]);
	public static final FinderPath FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL = new FinderPath(participantsModelImpl.ENTITY_CACHE_ENABLED,
			participantsModelImpl.FINDER_CACHE_ENABLED, participantsImpl.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "findAll", new String[0]);
	public static final FinderPath FINDER_PATH_COUNT_ALL = new FinderPath(participantsModelImpl.ENTITY_CACHE_ENABLED,
			participantsModelImpl.FINDER_CACHE_ENABLED, Long.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "countAll", new String[0]);

	public participantsPersistenceImpl() {
		setModelClass(participants.class);
	}

	/**
	 * Caches the participants in the entity cache if it is enabled.
	 *
	 * @param participants the participants
	 */
	@Override
	public void cacheResult(participants participants) {
		EntityCacheUtil.putResult(participantsModelImpl.ENTITY_CACHE_ENABLED,
			participantsImpl.class, participants.getPrimaryKey(), participants);

		participants.resetOriginalValues();
	}

	/**
	 * Caches the participantses in the entity cache if it is enabled.
	 *
	 * @param participantses the participantses
	 */
	@Override
	public void cacheResult(List<participants> participantses) {
		for (participants participants : participantses) {
			if (EntityCacheUtil.getResult(
						participantsModelImpl.ENTITY_CACHE_ENABLED,
						participantsImpl.class, participants.getPrimaryKey()) == null) {
				cacheResult(participants);
			}
			else {
				participants.resetOriginalValues();
			}
		}
	}

	/**
	 * Clears the cache for all participantses.
	 *
	 * <p>
	 * The {@link com.liferay.portal.kernel.dao.orm.EntityCache} and {@link com.liferay.portal.kernel.dao.orm.FinderCache} are both cleared by this method.
	 * </p>
	 */
	@Override
	public void clearCache() {
		if (_HIBERNATE_CACHE_USE_SECOND_LEVEL_CACHE) {
			CacheRegistryUtil.clear(participantsImpl.class.getName());
		}

		EntityCacheUtil.clearCache(participantsImpl.class.getName());

		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_ENTITY);
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	/**
	 * Clears the cache for the participants.
	 *
	 * <p>
	 * The {@link com.liferay.portal.kernel.dao.orm.EntityCache} and {@link com.liferay.portal.kernel.dao.orm.FinderCache} are both cleared by this method.
	 * </p>
	 */
	@Override
	public void clearCache(participants participants) {
		EntityCacheUtil.removeResult(participantsModelImpl.ENTITY_CACHE_ENABLED,
			participantsImpl.class, participants.getPrimaryKey());

		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	@Override
	public void clearCache(List<participants> participantses) {
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);

		for (participants participants : participantses) {
			EntityCacheUtil.removeResult(participantsModelImpl.ENTITY_CACHE_ENABLED,
				participantsImpl.class, participants.getPrimaryKey());
		}
	}

	/**
	 * Creates a new participants with the primary key. Does not add the participants to the database.
	 *
	 * @param ID the primary key for the new participants
	 * @return the new participants
	 */
	@Override
	public participants create(long ID) {
		participants participants = new participantsImpl();

		participants.setNew(true);
		participants.setPrimaryKey(ID);

		return participants;
	}

	/**
	 * Removes the participants with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param ID the primary key of the participants
	 * @return the participants that was removed
	 * @throws de.hsmannheim.pepa.patientenportal.apanwep.NoSuchparticipantsException if a participants with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public participants remove(long ID)
		throws NoSuchparticipantsException, SystemException {
		return remove((Serializable)ID);
	}

	/**
	 * Removes the participants with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param primaryKey the primary key of the participants
	 * @return the participants that was removed
	 * @throws de.hsmannheim.pepa.patientenportal.apanwep.NoSuchparticipantsException if a participants with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public participants remove(Serializable primaryKey)
		throws NoSuchparticipantsException, SystemException {
		Session session = null;

		try {
			session = openSession();

			participants participants = (participants)session.get(participantsImpl.class,
					primaryKey);

			if (participants == null) {
				if (_log.isWarnEnabled()) {
					_log.warn(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
				}

				throw new NoSuchparticipantsException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
					primaryKey);
			}

			return remove(participants);
		}
		catch (NoSuchparticipantsException nsee) {
			throw nsee;
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}
	}

	@Override
	protected participants removeImpl(participants participants)
		throws SystemException {
		participants = toUnwrappedModel(participants);

		Session session = null;

		try {
			session = openSession();

			if (!session.contains(participants)) {
				participants = (participants)session.get(participantsImpl.class,
						participants.getPrimaryKeyObj());
			}

			if (participants != null) {
				session.delete(participants);
			}
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		if (participants != null) {
			clearCache(participants);
		}

		return participants;
	}

	@Override
	public participants updateImpl(
		de.hsmannheim.pepa.patientenportal.apanwep.model.participants participants)
		throws SystemException {
		participants = toUnwrappedModel(participants);

		boolean isNew = participants.isNew();

		Session session = null;

		try {
			session = openSession();

			if (participants.isNew()) {
				session.save(participants);

				participants.setNew(false);
			}
			else {
				session.merge(participants);
			}
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);

		if (isNew) {
			FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
		}

		EntityCacheUtil.putResult(participantsModelImpl.ENTITY_CACHE_ENABLED,
			participantsImpl.class, participants.getPrimaryKey(), participants);

		return participants;
	}

	protected participants toUnwrappedModel(participants participants) {
		if (participants instanceof participantsImpl) {
			return participants;
		}

		participantsImpl participantsImpl = new participantsImpl();

		participantsImpl.setNew(participants.isNew());
		participantsImpl.setPrimaryKey(participants.getPrimaryKey());

		participantsImpl.setID(participants.getID());
		participantsImpl.setUserid(participants.getUserid());
		participantsImpl.setUsername(participants.getUsername());

		return participantsImpl;
	}

	/**
	 * Returns the participants with the primary key or throws a {@link com.liferay.portal.NoSuchModelException} if it could not be found.
	 *
	 * @param primaryKey the primary key of the participants
	 * @return the participants
	 * @throws de.hsmannheim.pepa.patientenportal.apanwep.NoSuchparticipantsException if a participants with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public participants findByPrimaryKey(Serializable primaryKey)
		throws NoSuchparticipantsException, SystemException {
		participants participants = fetchByPrimaryKey(primaryKey);

		if (participants == null) {
			if (_log.isWarnEnabled()) {
				_log.warn(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
			}

			throw new NoSuchparticipantsException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
				primaryKey);
		}

		return participants;
	}

	/**
	 * Returns the participants with the primary key or throws a {@link de.hsmannheim.pepa.patientenportal.apanwep.NoSuchparticipantsException} if it could not be found.
	 *
	 * @param ID the primary key of the participants
	 * @return the participants
	 * @throws de.hsmannheim.pepa.patientenportal.apanwep.NoSuchparticipantsException if a participants with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public participants findByPrimaryKey(long ID)
		throws NoSuchparticipantsException, SystemException {
		return findByPrimaryKey((Serializable)ID);
	}

	/**
	 * Returns the participants with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param primaryKey the primary key of the participants
	 * @return the participants, or <code>null</code> if a participants with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public participants fetchByPrimaryKey(Serializable primaryKey)
		throws SystemException {
		participants participants = (participants)EntityCacheUtil.getResult(participantsModelImpl.ENTITY_CACHE_ENABLED,
				participantsImpl.class, primaryKey);

		if (participants == _nullparticipants) {
			return null;
		}

		if (participants == null) {
			Session session = null;

			try {
				session = openSession();

				participants = (participants)session.get(participantsImpl.class,
						primaryKey);

				if (participants != null) {
					cacheResult(participants);
				}
				else {
					EntityCacheUtil.putResult(participantsModelImpl.ENTITY_CACHE_ENABLED,
						participantsImpl.class, primaryKey, _nullparticipants);
				}
			}
			catch (Exception e) {
				EntityCacheUtil.removeResult(participantsModelImpl.ENTITY_CACHE_ENABLED,
					participantsImpl.class, primaryKey);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return participants;
	}

	/**
	 * Returns the participants with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param ID the primary key of the participants
	 * @return the participants, or <code>null</code> if a participants with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public participants fetchByPrimaryKey(long ID) throws SystemException {
		return fetchByPrimaryKey((Serializable)ID);
	}

	/**
	 * Returns all the participantses.
	 *
	 * @return the participantses
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public List<participants> findAll() throws SystemException {
		return findAll(QueryUtil.ALL_POS, QueryUtil.ALL_POS, null);
	}

	/**
	 * Returns a range of all the participantses.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link de.hsmannheim.pepa.patientenportal.apanwep.model.impl.participantsModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param start the lower bound of the range of participantses
	 * @param end the upper bound of the range of participantses (not inclusive)
	 * @return the range of participantses
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public List<participants> findAll(int start, int end)
		throws SystemException {
		return findAll(start, end, null);
	}

	/**
	 * Returns an ordered range of all the participantses.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link de.hsmannheim.pepa.patientenportal.apanwep.model.impl.participantsModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param start the lower bound of the range of participantses
	 * @param end the upper bound of the range of participantses (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @return the ordered range of participantses
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public List<participants> findAll(int start, int end,
		OrderByComparator orderByComparator) throws SystemException {
		boolean pagination = true;
		FinderPath finderPath = null;
		Object[] finderArgs = null;

		if ((start == QueryUtil.ALL_POS) && (end == QueryUtil.ALL_POS) &&
				(orderByComparator == null)) {
			pagination = false;
			finderPath = FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL;
			finderArgs = FINDER_ARGS_EMPTY;
		}
		else {
			finderPath = FINDER_PATH_WITH_PAGINATION_FIND_ALL;
			finderArgs = new Object[] { start, end, orderByComparator };
		}

		List<participants> list = (List<participants>)FinderCacheUtil.getResult(finderPath,
				finderArgs, this);

		if (list == null) {
			StringBundler query = null;
			String sql = null;

			if (orderByComparator != null) {
				query = new StringBundler(2 +
						(orderByComparator.getOrderByFields().length * 3));

				query.append(_SQL_SELECT_PARTICIPANTS);

				appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS,
					orderByComparator);

				sql = query.toString();
			}
			else {
				sql = _SQL_SELECT_PARTICIPANTS;

				if (pagination) {
					sql = sql.concat(participantsModelImpl.ORDER_BY_JPQL);
				}
			}

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				if (!pagination) {
					list = (List<participants>)QueryUtil.list(q, getDialect(),
							start, end, false);

					Collections.sort(list);

					list = new UnmodifiableList<participants>(list);
				}
				else {
					list = (List<participants>)QueryUtil.list(q, getDialect(),
							start, end);
				}

				cacheResult(list);

				FinderCacheUtil.putResult(finderPath, finderArgs, list);
			}
			catch (Exception e) {
				FinderCacheUtil.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return list;
	}

	/**
	 * Removes all the participantses from the database.
	 *
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public void removeAll() throws SystemException {
		for (participants participants : findAll()) {
			remove(participants);
		}
	}

	/**
	 * Returns the number of participantses.
	 *
	 * @return the number of participantses
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public int countAll() throws SystemException {
		Long count = (Long)FinderCacheUtil.getResult(FINDER_PATH_COUNT_ALL,
				FINDER_ARGS_EMPTY, this);

		if (count == null) {
			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(_SQL_COUNT_PARTICIPANTS);

				count = (Long)q.uniqueResult();

				FinderCacheUtil.putResult(FINDER_PATH_COUNT_ALL,
					FINDER_ARGS_EMPTY, count);
			}
			catch (Exception e) {
				FinderCacheUtil.removeResult(FINDER_PATH_COUNT_ALL,
					FINDER_ARGS_EMPTY);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return count.intValue();
	}

	/**
	 * Initializes the participants persistence.
	 */
	public void afterPropertiesSet() {
		String[] listenerClassNames = StringUtil.split(GetterUtil.getString(
					com.liferay.util.service.ServiceProps.get(
						"value.object.listener.de.hsmannheim.pepa.patientenportal.apanwep.model.participants")));

		if (listenerClassNames.length > 0) {
			try {
				List<ModelListener<participants>> listenersList = new ArrayList<ModelListener<participants>>();

				for (String listenerClassName : listenerClassNames) {
					listenersList.add((ModelListener<participants>)InstanceFactory.newInstance(
							getClassLoader(), listenerClassName));
				}

				listeners = listenersList.toArray(new ModelListener[listenersList.size()]);
			}
			catch (Exception e) {
				_log.error(e);
			}
		}
	}

	public void destroy() {
		EntityCacheUtil.removeCache(participantsImpl.class.getName());
		FinderCacheUtil.removeCache(FINDER_CLASS_NAME_ENTITY);
		FinderCacheUtil.removeCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		FinderCacheUtil.removeCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	private static final String _SQL_SELECT_PARTICIPANTS = "SELECT participants FROM participants participants";
	private static final String _SQL_COUNT_PARTICIPANTS = "SELECT COUNT(participants) FROM participants participants";
	private static final String _ORDER_BY_ENTITY_ALIAS = "participants.";
	private static final String _NO_SUCH_ENTITY_WITH_PRIMARY_KEY = "No participants exists with the primary key ";
	private static final boolean _HIBERNATE_CACHE_USE_SECOND_LEVEL_CACHE = GetterUtil.getBoolean(PropsUtil.get(
				PropsKeys.HIBERNATE_CACHE_USE_SECOND_LEVEL_CACHE));
	private static Log _log = LogFactoryUtil.getLog(participantsPersistenceImpl.class);
	private static participants _nullparticipants = new participantsImpl() {
			@Override
			public Object clone() {
				return this;
			}

			@Override
			public CacheModel<participants> toCacheModel() {
				return _nullparticipantsCacheModel;
			}
		};

	private static CacheModel<participants> _nullparticipantsCacheModel = new CacheModel<participants>() {
			@Override
			public participants toEntityModel() {
				return _nullparticipants;
			}
		};
}